Meter lock



FIG. 1 is a perspective view of a meter lock showing our new design, shown in environmental use;

FIG. 2 is another perspective view, without environment;

FIG. 3 is an end view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines illustrate environment and from no part of the claimed design. 

CLAIM We claim the ornamental design for a meter lock, as shown and described. 